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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Counter telescope measurements of the variation of sea-level cosmic-ray intensities in Hong Kong

Lee, Hinglun, Allan., 李慶麟. January 1964 (has links)
published_or_final_version / Physics / Master / Master of Science
2

A study of the astronomical and meteorological information contained in oracle bone inscriptions

黃競新, Wong, King Sun. January 1992 (has links)
published_or_final_version / Chinese / Doctoral / Doctor of Philosophy
3

Actual evapotranspiration in the Pearl River Basin: estimation, spatio-temporal variations and climatic sensitivities.

January 2010 (has links)
Gao, Xuehua. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (leaves 83-96). / Abstracts in English and Chinese. / List of Figures --- p.viii / List of Tables --- p.x / Symbols --- p.xi / Acronyms --- p.xiii / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Background and Motivation --- p.1 / Chapter 1.2 --- Study Site: Pearl River Basin --- p.3 / Chapter 1.3 --- Study Objectives --- p.4 / Chapter Chapter 2 --- Literature Review --- p.5 / Chapter 2.1 --- Methods for Determining ETa --- p.6 / Chapter 2.2 --- Limitations of Current Studies on ETa --- p.15 / Chapter Chapter 3 --- Methodology and Data --- p.17 / Chapter 3.1 --- Modelling Framework and Procedure --- p.17 / Chapter 3.2 --- Complementary Relationship Models --- p.19 / Chapter 3.3 --- Long-Term Water Balance Models --- p.22 / Chapter 3.4 --- Spatial Interpolation --- p.25 / Chapter 3.5 --- Trend Analysis --- p.26 / Chapter 3.6 --- Meteorological and Hydrological Data Sets --- p.29 / Chapter Chapter 4 --- Estimation of Actual Evapotranspiration --- p.40 / Chapter 4.1 --- Selection of Water Balance Model --- p.40 / Chapter 4.2 --- Selection of Complementary Relationship Model --- p.46 / Chapter 4.3 --- Calibration of Granger & Grey´ةs Model --- p.48 / Chapter 4.4 --- Estimation of A ctual Evapotranspiration --- p.48 / Chapter 4.5 --- Validation of Granger & Grey ´ةs Model --- p.49 / Chapter Chapter 5 --- Spatio-Temporal Variations of Actual Evapotranspiration --- p.50 / Chapter 5.1 --- Annual ETa --- p.50 / Chapter 5.2 --- Seasonal ETa --- p.56 / Chapter 5.3 --- Summary --- p.63 / Chapter 5.4 --- Discussion of the Changing Climatic Factors --- p.64 / Chapter Chapter 6 --- Sensitivity Analysis of Actual Evapotranspiration to Climatic Variables --- p.66 / Chapter 6.1 --- Sensitivity Curves and Sensitivity Coefficients --- p.66 / Chapter 6.2 --- Procedures and Results --- p.61 / Chapter 6.3 --- Implications of Sensitivity Coefficients for Water Resources Management --- p.77 / Chapter Chapter 7 --- Conclusion --- p.79 / Chapter 7.7 --- Summary --- p.79 / Chapter 7.2 --- Conclusion --- p.80 / Chapter 7.3 --- Implication --- p.81 / Chapter 7.4 --- Limitation and Future Work --- p.82 / References --- p.83 / ","
4

study on the coastally trapped wave features of easterly cold surges and on the orographic effects on northerly cold surges in Southern China =: 華南地形對偏東寒潮海岸攔截波性質及偏北寒潮影響的硏究. / 華南地形對偏東寒潮海岸攔截波性質及偏北寒潮影響的硏究 / A study on the coastally trapped wave features of easterly cold surges and on the orographic effects on northerly cold surges in Southern China =: Hua nan di xing dui pian dong han chao hai an lan jie bo xing zhi ji pian bei han chao ying xiang de yan jiu. / Hua nan di xing dui pian dong han chao hai an lan jie bo xing zhi ji pian bei han chao ying xiang de yan jiu

January 1995 (has links)
Wong Wai Kin. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaves 195-200). / Wong Wai Kin. / Acknowledgements --- p.i / Abstract --- p.ii / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Kelvin features in easterly surges in southern China --- p.5 / Chapter 1.2 --- Northerly surges in southern China --- p.7 / Chapter 1.3 --- Objectives and Methodology --- p.8 / Chapter 2 --- Theory of Kelvin Waves against an Incline --- p.9 / Chapter 2.1 --- Introduction --- p.9 / Chapter 2.2 --- General formalism --- p.13 / Chapter 2.3 --- Vertical barrier --- p.17 / Chapter 2 4 --- Infinite incline --- p.18 / Chapter 2.5 --- Finite incline --- p.21 / Chapter 2.6 --- Analysis of scales and non-dimensional variables --- p.24 / Chapter 2.7 --- The governing equation of pressure disturbance --- p.30 / Chapter 2.7.1 --- Variational Principle --- p.31 / Chapter 2.7.2 --- Integration of continuity equation --- p.32 / Chapter 2 8 --- Kelvin waves against a topography --- p.33 / Chapter 2.9 --- Summary --- p.37 / Chapter 3 --- Numerical Study of Linear Kelvin Waves --- p.39 / Chapter 3.1 --- Introduction --- p.39 / Chapter 3.2 --- Shallow Water Wave Theory --- p.40 / Chapter 3.3 --- Kelvin wave in the presence of topography --- p.43 / Chapter 3.4 --- Numerical model --- p.47 / Chapter 3.5 --- Uniform or slowly varying topography depth --- p.50 / Chapter 3.5.1 --- Uniform topographical depth --- p.51 / Chapter 3.5.2 --- Slowly varying bottom topography --- p.52 / Chapter 3.6 --- Numerical study on infinite incline --- p.54 / Chapter 3.7 --- Finite incline --- p.57 / Chapter 3.8 --- Numerical experiments using more realistic terrain --- p.61 / Chapter 3.8.1 --- Experiment A --- p.61 / Chapter 3.8.2 --- Experiment --- p.64 / Chapter 3.9 --- Further discussion --- p.69 / Chapter 3.10 --- Coastal Kelvin waves features of northeasterly cold surges in Southern China --- p.74 / Chapter 3.11 --- Summary --- p.75 / Chapter 4 --- Nonlinear Kelvin Waves Features --- p.78 / Chapter 4.1 --- Introduction --- p.78 / Chapter 4.2 --- Mathematical Model --- p.82 / Chapter 4.3 --- Existence of Non-linear Travelling Solution --- p.85 / Chapter 4.4 --- Qualitative discussion on solution --- p.86 / Chapter 4.4.1 --- Linearized equation at Z = 0 --- p.87 / Chapter 4.4.2 --- Linearized equations at Z1 --- p.88 / Chapter 4.4.3 --- Case with no viscosity --- p.88 / Chapter 4.4.4 --- Case with viscosity: m2 > m2 > 0 --- p.92 / Chapter 4.4.5 --- Case with viscosity: m2 > m2 > 0 --- p.94 / Chapter 4.5 --- Expression for the wave speed --- p.95 / Chapter 4.5.1 --- Solitary Wave --- p.96 / Chapter 4.5.2 --- Travelling Wave --- p.96 / Chapter 4.6 --- Numerical Calculations --- p.98 / Chapter 4.6.1 --- Shooting method --- p.98 / Chapter 4.6.2 --- Nonlinear Periodic Solution --- p.100 / Chapter 4.6.3 --- Nonlinear Solitary Wave Solution --- p.100 / Chapter 4.6.4 --- Oscillatory Travelling Wave Solution --- p.102 / Chapter 4.6.5 --- Monotonic Travelling Wave Solution --- p.104 / Chapter 4.7 --- Wave Disturbance along y direction --- p.107 / Chapter 4 8 --- Existence of the terrain gradient --- p.109 / Chapter 4.9 --- Summary --- p.116 / Chapter 5 --- Froude Number Study on Northerly Cold surges --- p.118 / Chapter 5.1 --- Introduction --- p.118 / Chapter 5.1.1 --- Prediction of cold surges passing over the NanLing Range --- p.118 / Chapter 5.1.2 --- Theoretical studies on orographic blocking effect and the Froude number --- p.119 / Chapter 5.2 --- Methodology --- p.123 / Chapter 5.2.1 --- Physical meaning of the Froude number --- p.123 / Chapter 5.2.2 --- Definition of northerly cold surges --- p.125 / Chapter 5.2.3 --- Method of calculation using ECMWF data set --- p.126 / Chapter 5 .2. --- 4 Calculation using the meteorological station data --- p.127 / Chapter 5.3 --- Result --- p.127 / Chapter 5.3.1 --- Froude Number Statistics using ECMWF data --- p.127 / Chapter 5.3.2 --- Froude number statistics using meteorological station data --- p.133 / Chapter 5.4 --- Non-dimensional number statistics combining rotation and stratification --- p.135 / Chapter 5.5 --- Summary --- p.138 / Chapter 6 --- Diagnostic Study on Northerly Cold Surge --- p.140 / Chapter 6.1 --- Introduction --- p.140 / Chapter 6. 2 --- Diagnostic variables in the study --- p.141 / Chapter 6.2.1 --- Diagnosis of geopotential tendency in terms of advection of relative vorticity --- p.142 / Chapter 6.2.2 --- Diagnosis of the vertical motion --- p.144 / Chapter 6.3 --- Data and calculation --- p.147 / Chapter 6.4 --- Results and Discussion --- p.149 / Chapter 6. 4 --- .1 Brief description on the cold surge --- p.149 / Chapter 6.4.2 --- Diagnosis using ECMWF data set --- p.149 / Chapter 6.4.3 --- Diagnosis using the limited area model simulation results --- p.161 / Chapter 6.5 --- Summary --- p.162 / Chapter 7 --- Conclusion --- p.169 / Appendices --- p.172 / Chapter A --- Non-dimensional Governing Equations --- p.172 / Chapter B --- Governing Equation for Pressure Disturbance --- p.177 / Chapter B.1 --- Variation Approach --- p.177 / Chapter B.2 --- Integration of Continuity Equation --- p.180 / Chapter C --- "Semigeostrophic Theory, Dispersion and Dissipation" --- p.182 / Chapter C.1 --- Semigeostrophic Approximation --- p.182 / Chapter C.2 --- Dispersive effects --- p.188 / Chapter C.3 --- Dissipative effects --- p.190 / Chapter D --- Bibliography

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